What Is the Difference Between Heterosexism and Homophobia

What is the difference between heterosexism and homophobia?

A) Homophobia is the fear and hatred of homosexuality and homosexuals, while heterosexism is the intense fear and hatred by homosexuals of heterosexuality and heterosexuals.
B) Heterosexism is a more sociologically based concept that refers to the idea that society reinforces and legitimates only heterosexuality; homophobia is a psychological concept suggesting that fear and hatred of homosexuals is a personality trait or an abnormality.
C) There is no difference between the two terms, except that homophobia was coined before heterosexism.
D) Homophobia is found among more members of western society, while heterosexism is found primarily in Asia.
E) Homophobia is a more serious condition than is heterosexism.